Empirical determination of the apparent shapes and orientations of galaxy clusters

Details Empirical determination of the apparent shapes and orientations of galaxy clusters Empirical determination of the apparent shapes and orientations of galaxy clusters

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..561b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 561-563.

Astronomy and Astrophysics

Astrophysics

4

Astronomical Photography, Galactic Clusters, Galactic Nuclei, Iterative Solution, Coma, Photographic Plates, Pixels, Schmidt Telescopes

Scientific paper

In this paper, an empirical iterative method is developed to specify the basic parameters that describe a galaxy cluster, such as the center of the cluster, the position angle of its projected major axis on the sky, and the length of its principal axes, as well as its apparent ellipticity. The procedure was applied to the Coma Cluster of galaxies, and it produced good values for these parameters.

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